Millie Bobby Brown Cancels Appearance: 'I've Worked Too Hard & Have to Rest' (Video)

Millie Bobby Brown is taking some much-needed rest and relaxation. The 13-year-old Stranger Things actress – who recently signed with a major modeling agency – was supposed to appear at Collective Con on Saturday (March 25) in Jacksonville, Fla., but took to Instagram to let fans know she couldn’t quite muster up the strength. “Hey